\documentclass[final,hyperref={pdfpagelabels=false}]{beamer}

\usepackage{macros}

\usefolder{../}
\usetheme{CS}

%%%%%% To change the theme color, uncomment the following lines and set your own color. %%%%%%
%%%%%%%% You can also directly modify the colors in the file beamercolorthemeCS.sty %%%%%%%%
%
%\definecolor{mycolor}{rgb}{0.8, 0, 0.4}
%\definecolor{mycodecolor}{rgb}{0.4, 0.6, 0.8}
%\colorlet{codebg}{mycodecolor}
% 
%\setbeamercolor{structure}{bg = mycolor}
%\setbeamercolor{title page}{fg = mycolor}
%\setbeamercolor{alerted text}{fg = mycolor, bg = main}
%\setbeamercolor{block title example}{fg = mycolor}

\usepackage{times}
\usepackage{amsmath,amsthm, amssymb, latexsym}
\boldmath
\usepackage[english]{babel}
\usepackage[latin1]{inputenc}
\usepackage[orientation=landscale, size=a4, scale=1.5, debug]{beamerposter}

\usepackage{tikz}
\usetikzlibrary{arrows}

\def\q{\textquotesingle}

  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%5
  \graphicspath{{figures/}}
  
  \title{Base R}
  \subtitle{Cheatsheet}
  

  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  \begin{document}
  
  \begin{frame}[fragile]{} 
    \vfill
    \begin{columns}[t]
      \begin{column}{.25\linewidth}
        \maketitle
        \input{firstcolumn}
      \end{column}
      
      \begin{column}{.25\linewidth}
        \input{secondcolumn}
      \end{column}
      
      \begin{column}{.50\linewidth}
        \input{thirdcolumn}
      \end{column}
    \end{columns}
    \vfill
  \end{frame}
  
  \begin{frame}[fragile]{}
    \begin{columns}[t]
      \begin{column}{0.33\linewidth}
        \input{fourthcolumn}
      \end{column}
      
      \begin{column}{0.33\linewidth}
        \input{fifthcolumn}
      \end{column}
            
      \begin{column}{0.33\linewidth}
        \input{sixthcolumn}
      \end{column}
    \end{columns}
  \end{frame}
\end{document}
